There's a power-down exemption for boats which are continuously out of the water or in port for more than 72 consecutive hours. https://www.ecfr.gov/current/tit

There's a power-down exemption for boats which are continuously out of the water or in port for more than 72 consecutive hours. https://www.ecfr.gov/current/title-50/chapter-VI/part-622/subpart-B/section-622.26 https://www.ecfr.gov/current/title-50/chapter-VI/part-622/su... .